Growing Rosemary in Zone 5B

Rosemary is a woody, perennial herb in warm climates and a fragrant container plant in cold ones.

Zone 5B has a moderate growing season. Most crops do well here with proper timing around frost dates.

Top Growing Tips

• Perennial in zones 8+ — treat as annual or bring indoors in colder zones
• Needs excellent drainage — hates wet feet
• Start from cuttings or transplants (very slow from seed)
• Drought-tolerant once established
• Prune regularly to prevent woody, leggy growth

Companion Planting

Good companions: beans, cabbage, carrots, sage

Avoid planting near: none in particular

Harvest Timeline

Snip sprigs anytime once plants are 6+ inches

About Zone 5B

USDA Hardiness Zone 5B has an average last spring frost around Apr 18 and first fall frost around Oct 13. All planting dates above are calculated from these frost dates. Your specific location may vary — check with your local extension office for the most accurate dates.